Hardware Spec Index

Teralux FN-9891 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN9891-PRIME · Released 2019 · Updated 2026-10-18

Key facts

Benchmark index251 (Case Fans scale)
Category rank#24,472
Street price$9
Power3 W
Performance per dollar27.89
Released2019

Specifications

BrandTeralux
ModelTeralux FN-9891 Prime
Size140 × 140 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-9891 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/80900 (accessed 2026-10-18).